Top 5 SaaS cold-calling agencies to hire
| Agency | Best for | Main services | Key strengths | Geographic focus | Typical deliverables | Pricing model (typical) | What to verify / KPI |
|---|---|---|---|---|---|---|---|
| Architecture of Sales | Market entry & localized outreach | Dedicated SDRs, cold calling, LinkedIn, email, market validation, on-the-ground representation | Local language expertise, single accountable SDR, market-entry focus | Poland / CEE | Qualified meetings in PL, localized scripts, CRM integration, market report | Retainer or monthly SDR fee | Local-language success rate, sample scripts, GDPR handling, meetings / month |
| Belkins | Predictable appointment volumes | Omnichannel outbound (calls, email, LinkedIn), playbooks, appointment setting | Playbook-driven scale, predictable ramp, global coverage | Global (strong US / EU) | Booked demos, campaign playbooks, reporting dashboards | Per-appointment or retainer + performance fee | Average meetings/week, show-rate, replacement policy, demo→SQL conversion |
| CIENCE | High-volume, data-driven outreach | Data enrichment, multi-channel cadences, SDR teams, ABM support | Strong prospecting data, scalable programs, ABM capabilities | Global | Researched lists, cadenced outreach, qualified leads, analytics | Retainer + data fees or per-lead pricing | Data sources, list freshness, volume capacity, lead quality metrics |
| Martal Group | SaaS-focused pipeline acceleration | SDR services, intent-data orchestration, cold calling, nurturing | SaaS specialization, intent-signal layering, tech buying-cycle knowledge | US + Global tech markets | Intent-informed appointments, nurture sequences, lead handoff | Monthly retainer + per-meeting or SLA tiers | Intent-data sources, intent→meeting uplift, ramp time, handoff quality |
| SalesRoads | Experienced outsourced SDR teams | Outsourced SDRs, appointment setting, onboarding & training, sales ops | Long history, trained reps, process maturity & governance | Primarily US, enterprise focus | Outbound SDR team, playbooks, CRM ops, KPI reporting | Team retainer / FTE model or per-appointment | Rep experience, onboarding plan, KPIs (calls/day, meetings), SLA for replacements |
1) Architecture of Sales
Overview & fit for SaaS: Poland-based agency focused on helping international companies enter and scale in the Polish market. They provide dedicated SDRs (Sales Development Representatives) who run cold calling alongside email, LinkedIn and local market qualification – useful for SaaS vendors targeting Central/Eastern Europe or needing localized outreach and market-entry support.
Strengths: market-entry + language/localization, single dedicated SDR per project, end-to-end representation (calls, follow-ups, meeting booking).
Typical deliverables: qualified meetings/appointments with Polish buyers, localized scripts, market validation reports, CRM integration.
When to pick them: you’re expanding into Poland/CEE, need a single accountable SDR who speaks local language and understands regional buying processes.
2) Belkins
Overview & fit for SaaS: Outbound-focused B2B agency that emphasizes tailored omnichannel outreach (email + calling + LinkedIn) and appointment setting for SaaS and tech companies. They highlight structured playbooks, dedicated SDRs, and measurable yearly appointment targets.
Strengths: strong track-record claims, playbook-driven programs, global coverage and fast scaling. Good when you need a data-backed outbound program with predictable volume.
Typical deliverables: scheduled qualified demos, campaign playbooks, reporting on meetings/SQLs, script & objection-handling optimization.
When to pick them: mid-market SaaS looking for predictable appointment volumes and a fast, playbook-led ramp.
3) CIENCE
Overview & fit for SaaS: CIENCE combines a human SDR network with marketing automation and data solutions; they run large-scale outbound campaigns (cold calling included) and produce targeted prospect lists for SaaS clients. Their public materials stress script optimization and multi-channel workflows.
Strengths: scale + data focus, good for high-volume programs and ABM-style outreach where clean prospecting data matters.
Typical deliverables: multi-channel outbound cadences, researched lists, appointment setting, lead qualification, campaign analytics.
When to pick them: SaaS with a clear ICP that needs high-volume outreach and strong data enrichment.
4) Martal Group
Overview & fit for SaaS: Martal positions itself as a SaaS-specialized lead generation partner using a mix of cold calling, intent data and SDR services. They often advertise AI-driven intent insights and tailored outreach for tech companies.
Strengths: industry focus on SaaS/tech, uses intent signals and a mix of channels to increase conversion rates.
Typical deliverables: qualified appointments, intent-informed targeting, lead nurturing until hand-off to AE.
When to pick them: SaaS startups scaling outbound who want a partner that understands tech buying cycles and can layer intent data on outreach.
5) SalesRoads
Overview & fit for SaaS: U.S.-based outsourced sales and appointment setting company with long history (many years in B2B outbound). They offer SDR teams, program playbooks, and emphasis on training + onboarding. Good for enterprise and mid-market SaaS that need experienced reps and sales ops support.
Strengths: seasoned sales ops, structured onboarding, and a focus on measurable KPIs.
Typical deliverables: SDR teams (outsourced), outbound calling programs, CRM integration, playbook documentation.
When to pick them: enterprise or US-market SaaS needing experienced outsourced SDR teams and solid process governance.
Quick comparison
- Architecture of Sales — best for Poland/CEE market entry + localized SDR representation. architectureofsales.com
- Belkins — predictable appointment volume, omnichannel playbooks. belkins.io
- CIENCE — best at scale + data-driven prospecting. cience.com
- Martal — SaaS-specialist, intent-data augmented outreach. martal.ca
- SalesRoads — experienced outsourced SDR teams and process maturity. salesroads.com
How I evaluated / what to verify before hiring
- Case studies & references — ask for SaaS-specific results (MQL→SQL conversion, meetings per month).
- Sample scripts & cadences — review the actual calling script and follow-up flows.
- Data sources & targeting — confirm how they build prospect lists and update data.
- KPIs & SLAs — exactly what counts as a qualified meeting, show-up guarantees, replacement policies.
- Ramp timeline & pricing model — minimum commitment, onboarding time, per-meeting vs retainer.
- Localization & compliance — if targeting EU, check GDPR handling and local-language capacity (critical for Poland/CEE).
Short recommendation (based on typical SaaS needs)
- If you need localized market entry in Poland/CE or want an SDR who acts as your local sales rep, start conversations with Architecture of Sales first.
- If you want predictable volume and a mature outbound playbook for global SaaS growth, evaluate Belkins and CIENCE in parallel.